--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xml/xmldomandxpath/src/xmlengineserializer/xmlenggzipfileoutputstream.h	Thu Dec 17 09:29:21 2009 +0200
@@ -0,0 +1,106 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Interface class describing class that may be used as
+// output stream for dom tree
+//
+
+
+
+/**
+ @file
+ @internalComponent
+ @prototype
+*/
+#ifndef XMLENGCGZIPFILEOUTPUTSTREAM_H
+#define XMLENGCGZIPFILEOUTPUTSTREAM_H
+
+#include <xml/dom/xmlengoutputstream.h>
+#include <ezbufman.h>   //MEZBufferManager
+
+#include <ezgzip.h>     //TEZGZipHeader
+class CEZCompressor;
+
+
+
+class CXmlEngGZIPFileOutputStream : public CBase, public MXmlEngOutputStream, 
+                                    public MEZBufferManager
+{
+public:
+    static CXmlEngGZIPFileOutputStream* NewLC(RFile& aOutputFile, RFs& aRFs);
+    static CXmlEngGZIPFileOutputStream* NewL(RFile& aOutputFile, RFs& aRFs);
+    ~CXmlEngGZIPFileOutputStream();
+    TInt CheckError();
+		
+    TInt Write( const TDesC8& aBuffer );
+    TInt Close();
+
+    /**
+     * Implementation of MEZBufferManager interface.
+     */
+     void InitializeL(CEZZStream& aZStream);
+     void NeedInputL(CEZZStream& aZStream);
+     void NeedOutputL(CEZZStream& aZStream);
+     void FinalizeL(CEZZStream& aZStream);
+
+protected:
+    CXmlEngGZIPFileOutputStream(RFile& aOutputFile, RFs& aRFs);
+    void ConstructL();
+
+private:
+    void WriteL(const TDesC8& aBuffer);
+    void CloseL();
+			
+private:
+    TInt iError;
+	    
+    /**
+     * Default input buffers size.
+     */
+    static const TInt KDefaultInputBufferSize;
+	    
+    /**
+     * Output buffer size. It determines, how often output data will be written
+     * to disk. (it's written to disk, when buffer is full.
+     *
+     */
+    
+    
+    static const TInt KOutputBufferSize;
+	    
+    RBuf8 iOutputDescriptor;
+    RBuf8 iInputDescriptor;
+    RBuf8 iOldInputDescriptor;
+	    
+    /**
+     * Engine of GZiping
+     */
+    CEZCompressor* iCompressor;
+    TInt32 iCrc;
+    TEZGZipHeader iHeader;
+    TInt iUncompressedDataSize;
+    RFile iOutputFile;
+    RFs   iRFs;
+    
+    /**
+     * State of the object.
+     */
+    TBool iNoInputNeeded;
+    TBool iKeepGoing;
+    TBool iCloseInvoked;
+	    
+}; 
+
+
+
+#endif /* XMLENGCGZIPFILEOUTPUTSTREAM_H */